/ɪnˈvɒləntri; US -terɪ ||; ɪnˈvɑlənˌtɛrɪ/adj done without wanting or meaning to 非自愿的；不由自主的:
She gave an involuntary gasp of pain as the doctor inserted the needle. 医生给她打针的时候，她痛得禁不住倒抽了一口气。 [OPP] voluntary or deliberate 反义词为voluntary或deliberate➔involuntarily /ɪnˈvɒləntrəli ||; ɪnˈvɑlənˌtɛrəlɪ/ adv